Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12285852 | Impact driver anvil | — | 2025-04-29 |
| 11511354 | Locking chuck with anti-vibration feature | Tingwei Zeng, Jichun Zhou, Weiwei Sun | 2022-11-29 |
| 7296445 | Method and apparatus for monitoring load imbalance in a washing machine | Zheng Zhang, Daniel C. Conrad, Scott D. Slabbekoorn | 2007-11-20 |
| 7216049 | Method for calibrating current offset and filtering bad data in a system that detects power output | Zheng Zhang | 2007-05-08 |
| 6426605 | Multi-phase induction motor drive system and method | Hamid A. Toliyat, Ruhe Shi | 2002-07-30 |